@Article{ 
  DeGCarLea89,
  author = { Carriero, Michele and De Giorgi, Ennio and Leaci, Antonio },
  title = { Existence theorem for a minimum problem with free discontinuity set },
  journal = { Archive for Rational Mechanics and Analysis },
  year = { 1989 },
  doi = { https://doi.org/10.1007/BF01052971 },
  volume = { 108 },
  pages = { 195-218 },
  URL = { http://cvgmt.sns.it/paper/5982/ },
  note = { cvgmt preprint}
}